Jet Skull [1k688] aliens and most importantly

and most importantly

which is a rare colour for quartz

This South African stone is not a Jasper at all

Prehnite is formed when hot and subsequently deposited in cavities in igneous rock

10cm length x 9

Jet Skull [1k688] aliens and most importantlyJet is of organic origin and not a mineral or stone at all. Jet is a Lignite, and is similar to coal but the formation process is different. Jet is created when wood based material is covered in waterlogged sediment and is compressed and heated over time. Accordingly Jet is very light, only weighing roughly half the weight of Agate at the same size. Jet is found in several places worldwide including England, Spain, Germany, China and Turkey. This